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Finding the Fourth Proportional to 584.85, 875.86 and 558.53

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Solution

The fourth proportional to 584.85, 875.86 and 558.53 is: 836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.85 : 875.86 = 558.53 : x
  2. Step 2: Convert to fraction form
    584.85/875.86 = 558.53/x
  3. Step 3: Cross multiply
    584.85x = 875.86 × 558.53
  4. Step 4: Simplify right side
    584.85x = 489,188.31
  5. Step 5: Solve for x
    x = 489,188.31/584.85
  6. Step 6: Final answer
    x = 836.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.